1)Lance JW, Drummond PD, Gandevia C et al: Harlequin syndrome: the sudden onset of unilateral flushing and sweating. J Neurol Neurosurg Psychiatry, 51,635-642,1988
3)Drummond PD, Lance JW: Site of autonomic deficit in harlequin syndrome: local autonomic failure affecting the arm and the face. Ann Neurol, 34,814-819,1993